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3 years ago

1. Infer how the height of the lines on a seismograph change with an increase in

Physics

1 answer:

SOVA2 [1]3 years ago

3 0

Answer:

his movement is proportional to the intensity of the earthquake,

Explanation:

An earthquake is a record of the intensity of an earthquake as a function of time.

Where the intensity is plotted on the y-axis, which corresponds to the vertical movement of the detector, this movement is proportional to the intensity of the earthquake, therefore the intensity increases the amplitude of the oscillation increases.

And the in x corresponds to time

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A toy helium balloon is initially at a temperature of T = 24o C. Its initial volume is 0.0042 m3 (It is a 10 cm radius sphere).

Anettt [7]

Answer:

$T_{f} = 335.780\,K\,(62.630\,^{\textdegree}C)$

Explanation:

Let assume that air behaves ideally. The equation of state of ideal gases is:

$P\cdot V = n\cdot R_{u}\cdot T$

Where:

$P$ - Pressure, in kPa.

$V$ - Volume, in m³.

$n$ - Quantity of moles, in kmol.

$R_{u}$ - Ideal gas constant, in $\frac{kPa\cdot m^{3}}{kmol\cdot K}$ .

$T$ - Temperature, in K.

Since there is no changes in pressure or the quantity of moles, the following relationship between initial and final volumes and temperatures is built:

$\frac{V_{o}}{T_{o}} = \frac{V_{f}}{T_{f}}$

The final temperature is:

$T_{f} = \frac{V_{f}}{V_{o}}\cdot T_{o}$

$T_{f} = 1.13\cdot (297.15\,K)$

$T_{f} = 335.780\,K\,(62.630\,^{\textdegree}C)$

7 0

3 years ago

Read 2 more answers

What minimum heat is needed to bring 250 g of water at 20 ∘C to the boiling point and completely boil it away? The specific heat

Amiraneli [1.4K]

Answer:633.8 KJ

Explanation:

Given

mass of water $\left ( m\right )=250gm$

Initial temperature $\left ( T_i\right )=20^{\circ}C$

Final temperature $\left ( T_f\right )=100^{\circ}C$

Specific heat of water $\left ( c \right )$ =4190 J/kg-k

heat of vaporization $\left ( L\right )=22.6\times 10^5 J/kg$

Heat required for process $\left ( Q\right )$ =heat to raise water temperature from 20 to 100 +Heat to vapourize water completely

Q=mc $\left ( T_f-T_i\right )+mL$

Q= $0.25\times 4190\times \left ( 100-20\right )+0.25\times 22\times 10^5$

Q= $\left ( 0.838+5.5\right )\times 10^5$

Q= $6.338\times 10^5J=633.8 KJ$

4 0

4 years ago

A car engine has power than a horse because a car engine does the same amount of work in time. Yasmin and Raj each had 10 boxes

labwork [276]

Answer:

A car engine has more power than a horse because a car engine does the same amount of work in time. Yasmin and Raj each had 10 boxes of equal weight to stack next to each other on the same shelf, at the same height and in the same arrangement. Yasmin completed the task in 2 minutes, while Raj took 3 minutes to stack his boxes. Raj applied less power than Yasmin because his stacking took more time to do the same amount of work.

Explanation:

4 0

3 years ago

Read 2 more answers

What is the displacement of the object from 2 seconds to 6 seconds? 4m 8m 16m 24m

bonufazy [111]

velocity=displacement/time

displacement=∆velocity x ∆time

displacement=4x4

16m

6 0

3 years ago

In order to distinguish between wavelengths independent of light intensity, one must have at least?

kirill [66]

One must have at least two visual pigments to distinguish between wavelengths independent of light intensity.

A substance that converts light energy into electrical potentials is called a visual pigment.

The basic structure of pigment consists of the chromophore, a colored molecule, and a protein called rhodopsin.

There are three types of visual pigments: Scotopsin, rhodopsins, and photopsin.

Scotopsin pigments are associated with vision and operate in less bright light while photopsin operates in a brighter light.

However, visual pigments are very significant substances as they are associated with vision and play a vital role in detecting light.

If you need to learn more about the wavelength of light click here:

brainly.com/question/9807579

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4 0

2 years ago